Prof. David J. Ottaway Profile

Prof. David J. Ottaway

at The Univ of Adelaide

SPIE Involvement:

Author

Publications (11)

Proceedings Article | 12 March 2024 Paper

Near-field beam shaping in high-power single-frequency pulsed Er/Yb co-doped multimode fiber amplifier by seed wavefront modulation

Shuen Wei, Ori Henderson-Sapir, Linh Nguyen, Stephen Warren-Smith, Heike Ebendorff-Heidepriem, David Ottaway

Proceedings Volume 12865, 128650C (2024) https://doi.org/10.1117/12.3000920

KEYWORDS: Wavefronts, Multimode fibers, Spatial light modulators, Near field, Modulation, Image processing, Beam shaping, Pulse signals, Near field optics, Fiber amplifiers

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Proceedings Article | 12 March 2024 Paper

2 µm simple tunable fibre laser source for optimizing pumping of 3.5 µm dual-wavelength pumping systems and material absorption characterization

Ori Henderson-Sapir, Adam Gambell, Stephen Warren-Smith, David Ottaway

Proceedings Volume 12865, 1286519 (2024) https://doi.org/10.1117/12.2692783

KEYWORDS: Light absorption, Fiber lasers, Observatories, Laser systems engineering, LIGO, Tunable lasers, Photonics, Mid infrared

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Proceedings Article | 12 March 2024 Poster + Paper

Toward a holmium doped multimode fiber amplifier with high quality focused output using wavefront-shaping

Linh Nguyen, Michael Oermann, Dmitrii Stepanov, Ka Wu, David Lancaster, Shahraam Afshar, David Ottaway, Heike Ebendorff-Heidepriem, Stephen Warren-Smith

Proceedings Volume 12865, 1286518 (2024) https://doi.org/10.1117/12.2687927

KEYWORDS: Multimode fibers, Holmium, Fiber lasers, Spatial light modulators, Polarization, Transverse mode instability, Near field, Wavefronts, Laser sources, Fiber amplifiers

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Proceedings Article | 4 March 2022 Poster + Paper

Numerical optimization of high power 3.5 μm erbium-doped mid-infrared fiber laser and amplifiers

Ori Henderson-Sapir, Deeksha Beniwal, David Ottaway

Proceedings Volume 11981, 1198116 (2022) https://doi.org/10.1117/12.2608192

KEYWORDS: Fiber lasers, Mid-IR, Resonators, Laser resonators, Fiber amplifiers, Erbium, Oscillators, Laser applications, Doping, Defense and security

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Proceedings Article | 30 December 2019 Paper

High precision measurement of optical absorption in low-OH fused silica at 2 micron

Craig Ingram, Huy Tuong Cao, Sebastian Ng, Daniel Brown, David Ottaway, Peter Veitch, Adam Gambell, Nikita Simakov, Alexander Hemming

Proceedings Volume 11200, 1120031 (2019) https://doi.org/10.1117/12.2539961

KEYWORDS: Adaptive optics, Absorption, Wavefront distortions, Optical testing, Precision measurement, Precision optics, Silica, Silicon, Distortion, Finite element methods

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Proceedings Article | 30 December 2019 Paper

Mid-IR laser for wavefront correction in gravitational wave detectors

Deeksha Beniwal, Huy Cao, Sebastian Ng, Aidan Brooks, Gayathri Bharathan, Alex Fuerbach, Peter Veitch, David Ottaway

Proceedings Volume 11200, 112002C (2019) https://doi.org/10.1117/12.2540061

KEYWORDS: Wavefronts, Sensors, Silica, Absorption, Fiber lasers, Adaptive optics, Mid-IR, Spherical lenses, Laser development

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Proceedings Article | 30 December 2019 Paper

Mode matching error signal from radio frequency waist size and position modulation

Alexei Ciobanu, Daniel Brown, David Ottaway

Proceedings Volume 11200, 112002S (2019) https://doi.org/10.1117/12.2539620

KEYWORDS: Modulation, Photodiodes, Signal detection, Gaussian beams, Signal generators, Interferometry, Sensors, Interferometers, Signal attenuation

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Proceedings Article | 13 May 2019 Presentation + Paper

High peak power, short pulse duration Er:YAG lasers and applications

Joshua Pease, Lachlan Harris, Myles Clark, Sarah Watzdorf, Richard White, Peter Veitch, David Ottaway

Proceedings Volume 10981, 109810N (2019) https://doi.org/10.1117/12.2524139

KEYWORDS: Clouds, Er:YAG lasers, Laser development, LIDAR, Resonators, Absorption, Laser systems engineering, Atmospheric sensing

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Proceedings Article | 13 May 2019 Paper

Erbium-doped mid-infrared fiber lasers

Ori Henderson-Sapir, Andrew Malouf, Nathaniel Bawden, Elizaveta Klantsataya, Jesper Munch, Matthew Majewski, Stuart Jackson, Hiraku Matsukuma, Shigeki Tokita, Sze Yun Set, Shinji Yamashita, David Ottaway

Proceedings Volume 10981, 1098108 (2019) https://doi.org/10.1117/12.2524138

KEYWORDS: Mid-IR, Fiber lasers, Erbium, Mode locking, Graphene, Pulsed laser operation, ZBLAN

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Proceedings Article | 26 February 2018 Paper

Q-switched dual-wavelength pumped 3.5-µm erbium-doped mid-infrared fiber laser

Nathaniel Bawden, Hiraku Matsukuma, Ori Henderson-Sapir, Elizaveta Klantsataya, Shigeki Tokita, David Ottaway

Proceedings Volume 10512, 105120T (2018) https://doi.org/10.1117/12.2288081

KEYWORDS: Fiber lasers, Q switched lasers, Resonators, Q switches, Mid-IR, Pulsed laser operation, ZBLAN, Erbium

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Proceedings Article | 29 September 2004 Paper

Seismic isolation and suspension systems for Advanced LIGO

Norna Robertson, Benjamin Abbott, R. Abbott, R. Adhikari, Graham Allen, Helena Armandula, Stuart Aston, A. Baglino, Mark Barton, B. Bland, Rolf Bork, J. Bogenstahl, Gianpietro Cagnoli, C. Campbell, C. Cantley, K. Carter, D. Cook, D. Coyne, David Crooks, Edward Daw, Daniel DeBra, E. Elliffe, J. Faludi, Peter Fritschel, A. Ganguli, Joseph Giaime, S. Gossler, A. Grant, J. Greenhalgh, M. Hammond, Jonathan Hanson, C. Hardham, Gregory Harry, Alistair Heptonstall, Jay Heefner, James Hough, D. Hoyland, Wensheng Hua, L. Jones, R. Jones, Jonathan Kern, J. LaCour, Brian Lantz, K. Lilienkamp, N. Lockerbie, Harald Lueck, M. MacInnis, K. Mailand, Ken Mason, R. Mittleman, Samir Nayfeh, J. Nichol, David Ottaway, H. Overmier, M. Perreur-Lloyd, J. Phinney, M. Plissi, W. Rankin, D. Robertson, J. Romie, Sheila Rowan, R. Scheffler, David Shoemaker, P. Sarin, Peter Sneddon, Clive Speake, O. Spjeld, G. Stapfer, Kenneth Strain, C. Torrie, G. Traylor, J. van Niekerk, Alberto Vecchio, Shirong Wen, P. Willems, I. Wilmut, Harry Ward, M. Zucker, Lei Zuo

Proceedings Volume 5500, (2004) https://doi.org/10.1117/12.552469

KEYWORDS: LIGO, Sensors, Actuators, Mirrors, Control systems, Prototyping, Silica, Optical alignment, Active isolation, Active optics

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Showing 5 of 11 publications

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